*SUPPORT*
IN: lug wif lug zup zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax OUT: PURPLE
IN: gazzer lug wif lug zup OUT: RED YELLOW YELLOW RED YELLOW YELLOW
IN: kiki zup zup OUT: BLUE BLUE BLUE BLUE
IN: lug OUT: YELLOW
IN: gazzer wif dax OUT: PURPLE RED
IN: gazzer OUT: RED
IN: kiki kiki OUT: BLUE BLUE
IN: kiki wif kiki OUT: BLUE BLUE
IN: kiki tufa kiki OUT: BLUE BLUE
IN: lug wif dax tufa gazzer OUT: RED PURPLE YELLOW
IN: gazzer tufa gazzer OUT: RED RED
IN: lug lug dax tufa lug zup OUT: YELLOW YELLOW YELLOW PURPLE YELLOW YELLOW YELLOW PURPLE
IN: lug dax OUT: YELLOW PURPLE

*QUERY*
IN: kiki wif kiki tufa gazzer OUT: RED BLUE BLUE
IN: lug wif kiki OUT: BLUE YELLOW
IN: dax wif dax OUT: PURPLE PURPLE
IN: gazzer kiki zup OUT: RED BLUE RED BLUE
IN: gazzer wif gazzer OUT: RED RED
IN: gazzer gazzer wif dax tufa dax tufa kiki OUT: BLUE PURPLE RED PURPLE RED
IN: kiki OUT: BLUE
IN: lug wif gazzer zup OUT: RED YELLOW RED YELLOW
IN: gazzer wif kiki zup zup OUT: BLUE RED BLUE RED BLUE RED BLUE RED
IN: gazzer wif kiki OUT: BLUE RED

*GRAMMAR*
gazzer -> RED 
 lug -> YELLOW 
 dax -> PURPLE 
 kiki -> BLUE 
 x1 zup -> [x1] [x1] 
 x1 tufa u1 -> [u1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 